There is not any aux input for just a three.5mm jack but you do nonetheless have accessibility physical buttons for playback, volume, power, pairing and dedicated party sound mode that turns up the volume approximately 11 (use this sparingly). An optional spare battery extends its around twelve-hour play time. https://www.bluetoothspeaker.top/professional-wireless-bass-portable-dj-party-smart-gaming-bluetooth-speaker/